JP2552058Y2 - Grain tank in combine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine grain tank in which a grain tank is tiltably disposed on a machine base.

[0002]

2. Description of the Related Art Conventionally, there has been known a combine in which a threshing device and a grain tank are provided side by side on a machine base having a traveling device, and the grain tank is provided so as to be vertically tiltable by a lifting drive device such as a hydraulic cylinder. Have been.

[0003]

In the known combine, the grain tank may gradually rise during running due to irregularities in the field scene or fluctuations in the left-right inclination. In some cases, the part was leaked or the divided part of the fryer could not be closed.

[0004]

According to the present invention, a threshing device and a grain tank are provided side by side on a machine base having a traveling device, and the grain tank can be tilted up and down by a lifting drive. In a combine that allows the grain cylinder to be inserted from the lower part of the grain tank and is separable in the vicinity of the intrusion part, a lower limit sensor that detects that the grain tank is at the lower lower limit, and that the work is being performed. A sensor for sensing is provided, and when the lower limit sensor is in a non-detection state during work, the lowering sensor is not activated when the grain tank rises even if the grain tank rises to some extent by configuring the lifting drive device to operate downward. The above-mentioned problem has been solved by detecting and thereby lowering the grain tank.

[0005]

When the harvesting and threshing work is being performed, the sensor that detects that the work is being performed is in the detection state. When the grain tank is at the lower limit, the lower limit sensor is in the detection state. When the machine body vibrates due to irregularities in the grain, the grain tank may be tilted up and down, and the lower limit sensor is in a non-detection state. Then, the elevation driving unit, fixed time, lowers the grain tank, the result of that, the grain tank becomes state always lowered to a predetermined position, or leaks grains, or no longer closes connections AgeKoku tube Never do.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the embodiment shown in the drawings. When a threshing device 3 and a grain tank 5 are provided side by side on a machine base 2 having a traveling device 1, a grain tank 5 is supported by a support frame 6. A single-acting hydraulic cylinder 8 erected on the upper side and rotatably supported on the same axis as the discharge spiral 7 on the outer lower side, and operated by switching the electromagnetic valve, substantially uses the grain tank 5 as a lifting drive device. It is tilted between a horizontal receiving posture and a grain discharging posture inclined outward, and the frying cylinder 10 of the threshing device 3 and the helix spiral shaft provided therein are vertically divided at the bottom plate portion of the grain tank 5. When the kernel 5 is rotated up and down, the divided portion of the shaft is disengaged by a joint, and the discharge cylinder connected to the transfer end of the discharge spiral 7 includes the upright cylinder 11 and the movable cylinder 12. Threshing In front of the location 3, it is fitted with a pre-processing unit 4 comprising a cutting device 4a and culms conveying device 4b vertically movably. 9 is an engine, 9a is a radiator, 14
Is a cabin.

[0007] A lower limit sensor 13 for detecting that the grain tank 5 has been lowered to the lower limit is attached to the outside of the upper end of the lower cylinder of the divided portion of the above-mentioned movable cylinder 1.
In the vicinity of the base of No. 2, the horizontal line turning angle of the movable cylinder 12 is 0,
That is, when the movable barrel 12 is at the storage position when viewed from above, it is turned on.
And an auger upper limit switch 16 that is turned on when the movable cylinder 12 is at the upper limit. The operation panel 17 is provided with a tank raising manual switch 18 and a tank lowering manual switch 19. Operation data of the sensing sensor 13, the auger upper limit switch 16, the auger storage switch 15, the tank raising manual switch 18 and the tank lowering manual switch 19 are input to a control device 20 composed of a microcomputer as shown in FIG. horn 21 for warning the processing, the lamp 22 and outputs raised to the solenoid SV ₁ or SV ₂ solenoid valves associated with the hydraulic cylinder 8.

When the harvesting and threshing operation is performed and the grain tank 5 becomes full or close to it, the aircraft is approached to a transport vehicle parked on the road, and the discharge auger in the storage position is stored in a plan view. The movable cylinder 12 is horizontally rotated so that its discharge port faces the carrier of the carrier (when the movable cylinder 12 is completely stored in the groove on the upper surface of the grain tank 5, the movable cylinder 12 is turned upright and obliquely upward. Then, the discharge spiral 7 and the lifting spiral in the discharge auger are driven, and when the shutter on the discharge spiral is opened, the grains in the grain tank 5 are lifted and loaded into the carrier of the transport vehicle.

At this time, the grains deposited on the portion of the grain tank 5 along the side of the threshing device 3 are discharged, and then, when the tank raising manual switch 18 is pressed, the hydraulic cylinder 8 is released from the control device 20. When the hydraulic cylinder 8 is extended and tilted upward by the output from the tank raising solenoid SV1 of the electromagnetic valve to be controlled, the kernel of the portion extending onto the threshing device 3 of the kernel tank 5 When the discharge is completed in this way and the discharge is completed, when the tank lowering manual switch 19 is pressed, the solenoid valve is switched to the lower side and the hydraulic cylinder 8 is lowered and the predetermined position is moved. When the lowering sensor is tilted downward, the lower limit sensor 13 is turned ON, the solenoid valve is neutralized, and at the same time, the divided portion of the fryer 10 is connected, and the horn 21 emits a single sound, and the lamp 22 Lighting (which may be by either the horn 21 or lamp) and thereby knows that the driver has completed the grain tank 5 lowers, tank manual switch 1
Release your finger from 9 without over-pressing. Also, when the harvesting and threshing work is performed while the aircraft is running, as shown in FIG. 4, if the auger storage switch 15 is ON and the auger upper limit switch 16 is OFF, it is determined that the work is in progress (work in progress). The switch that determines that there is may be a threshing clutch switch or a mowing clutch switch)
In this state, the machine body vibrates due to the unevenness of the field, or the fluctuation of the left-right inclination, and the like, whereby the grain tank 5 rises and tilts, and the lower limit sensor 13 of the grain tank 5 which has been turned on changes to off. Then, a timer is set, and the descending solenoid SV2 of the electromagnetic valve is energized and switched to the down side for a time set by the timer, the hydraulic cylinder 8 is contracted, and the grain tank 5 is moved down to a predetermined lower level.
It descends to the descent limit position. In other words, if the grain tank 5 rises even a little, it immediately descends, so that the grain does not flow out and the divided portions of the fried grain cylinder cannot be connected.

[0010]

According to the present invention, a threshing device 3 and a grain tank 5 are provided on a machine base 2 having a traveling device 1 and the grain tank 5 is provided.
Can be tilted up and down by a lifting drive, and threshing device 3
A lower limit sensor 13 for detecting that the grain tank 5 is at the lower lower limit, in a combine in which the fried grain cylinder 10 is inserted from the lower part of the grain tank 5 and is separable in the vicinity of the intrusion. A sensor for detecting that the work is being performed is provided. When the work is performed and the lower limit sensor 13 is in the non-detection state, the lifting / lowering drive device is configured to perform a downward operation. or, when the grain tank 5 airframe is vibrated by fluctuation of lateral inclination floats, drop-off underlying grain tank 5, it will be stopped at a lowered limit position, even if the aircraft is vibrated during operation,
There is no possibility that the kernel leaks from the divided part of the fryer 10 or the divided part cannot be connected.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a combine.

FIG. 2 is a side view of the same.

FIG. 3 is a control system diagram.

FIG. 4 is a flowchart.

FIG. 5 is a flowchart of a horn.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Traveling device 2 Machine stand 3 Threshing device 5 Grain tank 10 Frying cylinder 13 Lower limit detection sensor

Claims (1)

(57) [Scope of request for utility model registration] 1. A threshing device 3 and a grain tank 5 are provided side by side on a machine base 2 having a traveling device 1, and the grain tank 5 can be tilted up and down by a lifting drive device. 1
0 is inserted from the lower part of the grain tank 5, and the lower limit sensor 13 for detecting that the grain tank 5 is at the lower lower limit in the combine which can be separated in the vicinity of the intrusion part, and is working. A grain tank in a combine, wherein a lowering sensor 13 is in a non-detection state during operation and the lowering / lowering drive device is operated to lower.